Base | Representation |
---|---|
bin | 11001101000001… |
… | …10110111010101 |
3 | 112222112102121202 |
4 | 30310012313111 |
5 | 420014024242 |
6 | 33155522245 |
7 | 5220231626 |
oct | 1464066725 |
9 | 488472552 |
10 | 214986197 |
11 | 100399348 |
12 | 5bbb9385 |
13 | 3570358a |
14 | 207a3a4d |
15 | 13d19932 |
hex | cd06dd5 |
214986197 has 16 divisors (see below), whose sum is σ = 232657920. Its totient is φ = 197996400.
The previous prime is 214986151. The next prime is 214986203. The reversal of 214986197 is 791689412.
It is a cyclic number.
It is not a de Polignac number, because 214986197 - 212 = 214982101 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214986127) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220922 + ... + 221892.
It is an arithmetic number, because the mean of its divisors is an integer number (14541120).
Almost surely, 2214986197 is an apocalyptic number.
It is an amenable number.
214986197 is a deficient number, since it is larger than the sum of its proper divisors (17671723).
214986197 is a wasteful number, since it uses less digits than its factorization.
214986197 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1304.
The product of its digits is 217728, while the sum is 47.
The square root of 214986197 is about 14662.4076126672. The cubic root of 214986197 is about 599.0598210606.
The spelling of 214986197 in words is "two hundred fourteen million, nine hundred eighty-six thousand, one hundred ninety-seven".
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